and that's not including the jobs and the secondary market the teams create. this economy oakland can not afford to lose. >> hand it to the mayor. >>reporter: mayor kwan is campaigning again. but this time she's trying to gallivanize public support to convince oakland professional sports teams not to leave the city. >> this is our way of showing the national football league that the east bay is really the center of the bay area population. >>reporter: if the readers picked up and left again today it would rip my heart out. this happened in the 80's. >> if they leave there goes the pride and love. a lot of. that that's what this town needs right now. we need it bad. >>reporter: the mayor rally kicks off a week of events saluting oakland a's and raiders. but not the golden state warriors basketball team. >> reality for sure is the were yours are probably leaving. >>reporter: radio announcer says a owner wolf also wants out of oakland but major league baseball will not authorize a move to san jose. meanwhile los angeles is gunning for an nfl team. it's already pr